/* ** Command & Conquer Renegade(tm) ** Copyright 2025 Electronic Arts Inc. ** ** This program is free software: you can redistribute it and/or modify ** it under the terms of the GNU General Public License as published by ** the Free Software Foundation, either version 3 of the License, or ** (at your option) any later version. ** ** This program is distributed in the hope that it will be useful, ** but WITHOUT ANY WARRANTY; without even the implied warranty of ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ** GNU General Public License for more details. ** ** You should have received a copy of the GNU General Public License ** along with this program. If not, see . */ /*********************************************************************************************** *** C O N F I D E N T I A L --- W E S T W O O D S T U D I O S *** *********************************************************************************************** * * * Project Name : WWPhys * * * * $Archive:: /Commando/Code/wwphys/phunits.h $* * * * Author:: Greg_h * * * * $Modtime:: 9/22/99 9:45a $* * * * $Revision:: 5 $* * * *---------------------------------------------------------------------------------------------* * Functions: * * - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ #if defined(_MSC_VER) #pragma once #endif #ifndef PHUNITS_H #define PHUNITS_H /* ** The purpose of this header file is to define macros and functions which ** accept data in various units and convert it to the internal units used ** by the physics system (metric probably). ** ** Examples: ** (1) defining a velocity of 10mph: ** vel = PhysicsUnits::Miles(10.0f) / PhysicsUnits::Hours(1.0f); ** ** (2) defining a mass of 10 grams: ** mass = PhysicsUnits::Grams(10.0f); ** ** (3) defining a force of 60 Newtons (kg*m/s^2): ** hmmm... ;-) */ #define INCHES_TO_METERS (0.0254f) #define FEET_TO_METERS (INCHES_TO_METERS * 12.0f) #define YARDS_TO_METERS (INCHES_TO_METERS * 36.0f) #define MILES_TO_METERS (FEET_TO_METERS * 5280.0f) #define PHYSICS_INCHES(x) (INCHES_TO_METERS * (x)) #define PHYSICS_FEET(x) (FEET_TO_METERS * (x)) #define PHYSICS_YARDS(x) (YARDS_TO_METERS * (x)) #define PHYSICS_MILES(x) (MILES_TO_METERS * (x)) #define PHYSICS_MILLIMETERS(x) ((x) / 1000.0f) #define PHYSICS_CENTIMETERS(x) ((x) / 100.0f) #define PHYSICS_DECIMETERS(x) ((x) / 10.0f) #define PHYSICS_METERS(x) ((x)) #define PHYSICS_KILOMETERS(x) ((x) * 1000.0f) #define PHYSICS_SECONDS(x) ((x)) #define PHYSICS_MINUTES(x) ((x) * 60.0f) #define PHYSICS_HOURS(x) ((x) * 60.0f * 60.0f) #define PHYSICS_GRAMS(x) ((x) * 1000.0f) #define PHYSICS_KILOGRAMS(x) ((x)) #define PHYSICS_NEWTONS(x) ((x)) class PhysicsUnits { // Distance Units: static float Inches(float inches) { return INCHES_TO_METERS * inches; } static float Feet(float feet) { return FEET_TO_METERS * feet; } static float Yards(float yards) { return YARDS_TO_METERS * yards; } static float Miles(float miles) { return MILES_TO_METERS * miles; } static float Millimeters(float mm) { return mm / 1000.0f; } static float Centimeters(float cm) { return cm / 100.0f; } static float Decimeters(float dm) { return dm / 10.0f; } static float Meters(float m) { return m; } static float Kilometers(float km) { return km * 1000.0f; } // Time Units: static float Seconds(float s) { return s; } static float Minutes(float m) { return m * 60.0f; } static float Hours(float h) { return h * 60.0f * 60.0f; } // Mass Units: static float Grams(float g) { return g * 1000.0f; } static float Kilograms(float kg) { return kg; } // Force Units: static float Newtons(float n) { return n; } }; #endif /*PHUNITS_H*/